diff --git a/NOTICE.txt b/NOTICE.txt
index 4625efd..a3fadf3 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -12,4 +12,5 @@
   
   This product uses the following external (Open Source) libraries:
   
-    - Apache POI
+    - Apache POI (https://poi.apache.org/)
+    - Jakarta Activation (https://eclipse-ee4j.github.io/jaf/)
diff --git a/pom.xml b/pom.xml
index fb212e7..4e548e6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -59,6 +59,11 @@
             <artifactId>poi-scratchpad</artifactId>
             <version>3.9</version>
         </dependency>
+        <dependency>
+            <groupId>com.sun.activation</groupId>
+            <artifactId>jakarta.activation</artifactId>
+            <version>1.2.1</version>
+        </dependency>
 
         <!-- logging -->
         <dependency>